Can crusher



FIG. 1 is a perspective view of a can crusher showing my new design;

FIG. 2 is a reduced top plan view thereof, the bottom beingunornamented;

FIG. 3 is a reduced right side elevational view thereof, the sideopposite being a mirror image thereof with the arm lowered;

FIG. 4 is a reduced right side elevational view thereof, with the armraised.

The ornamental design for a can crusher, as shown and described.